Blinds are made of spruce or fir wood, humidity 12 + - 2%. The quality of wood corresponds to DIN 68 360 - first class for the production of construction joinery. In the case of blinds with fixed lamellas, the sash frame has a cross-section of 30/70 mm. The cross section of the lamellae is 10/40 mm. The adhesive is waterproof. All wooden parts are protected with impregnating fungicidal insecticides. The fittings are brass passivated Jadro 100. At the special request of the customer, we mount the fittings Jadro 200 or Fentro black on the blinds.

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